mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-30 02:00:19 +00:00
533994daff
kubernetes/kubernetes#111083 has been merged and synced into k8s.io/mount-utils. This should remove any systemd log messages while calling NodeStageVolume and NodeGetVolumeStats. Signed-off-by: Niels de Vos <ndevos@redhat.com>
68 lines
2.1 KiB
Go
68 lines
2.1 KiB
Go
package mountinfo
|
|
|
|
import (
|
|
"os"
|
|
)
|
|
|
|
// GetMounts retrieves a list of mounts for the current running process,
|
|
// with an optional filter applied (use nil for no filter).
|
|
func GetMounts(f FilterFunc) ([]*Info, error) {
|
|
return parseMountTable(f)
|
|
}
|
|
|
|
// Mounted determines if a specified path is a mount point. In case of any
|
|
// error, false (and an error) is returned.
|
|
//
|
|
// If a non-existent path is specified, an appropriate error is returned.
|
|
// In case the caller is not interested in this particular error, it should
|
|
// be handled separately using e.g. errors.Is(err, os.ErrNotExist).
|
|
func Mounted(path string) (bool, error) {
|
|
// root is always mounted
|
|
if path == string(os.PathSeparator) {
|
|
return true, nil
|
|
}
|
|
return mounted(path)
|
|
}
|
|
|
|
// Info reveals information about a particular mounted filesystem. This
|
|
// struct is populated from the content in the /proc/<pid>/mountinfo file.
|
|
type Info struct {
|
|
// ID is a unique identifier of the mount (may be reused after umount).
|
|
ID int
|
|
|
|
// Parent is the ID of the parent mount (or of self for the root
|
|
// of this mount namespace's mount tree).
|
|
Parent int
|
|
|
|
// Major and Minor are the major and the minor components of the Dev
|
|
// field of unix.Stat_t structure returned by unix.*Stat calls for
|
|
// files on this filesystem.
|
|
Major, Minor int
|
|
|
|
// Root is the pathname of the directory in the filesystem which forms
|
|
// the root of this mount.
|
|
Root string
|
|
|
|
// Mountpoint is the pathname of the mount point relative to the
|
|
// process's root directory.
|
|
Mountpoint string
|
|
|
|
// Options is a comma-separated list of mount options.
|
|
Options string
|
|
|
|
// Optional are zero or more fields of the form "tag[:value]",
|
|
// separated by a space. Currently, the possible optional fields are
|
|
// "shared", "master", "propagate_from", and "unbindable". For more
|
|
// information, see mount_namespaces(7) Linux man page.
|
|
Optional string
|
|
|
|
// FSType is the filesystem type in the form "type[.subtype]".
|
|
FSType string
|
|
|
|
// Source is filesystem-specific information, or "none".
|
|
Source string
|
|
|
|
// VFSOptions is a comma-separated list of superblock options.
|
|
VFSOptions string
|
|
}
|